This paper gives a survey of the current state of competition in the German Broadband access market. Existing regulations and their impact on the deployment of high-speed Internet access are evaluated. It is argued that facilities-based competition is preferable to open-network regulations. The...

States and their representatives, national governments, play a key role in national telecommunication markets. As lawmakers, they determine the playing field of the agents in the markets and the decision powers of national regulators. Simultaneously, they are involved in appointing presidential...

The interplay of infrastructure supply and demand is of central interest in line with Web 2.0. As the role of customers turns from a service users' role to an information providers' role, the traffic on existing lines increases and, simultaneously, customers' demand for high-quality...

Central features of today's electronic communications markets are complementarities between the different layers of the value chain, substitutability between some applications, network effects in the provision of content and services, two-sided business models that partly involve indirect...

This paper investigates how video game publishers' choice of game release date is affected by the expected level of competition within the game's product niche. We identify game niches by genre, age-appropriateness, a four week window cohort, publisher and console system. Our analysis is based...

The last couple of years have seen an increasing interest in critical loss analysis, both, in academia and in practice. This development is documented by various research papers, high-level exchanges between antitrust experts as well as an increasing number of case decisions which make use of...

In dieser Studie werden ausgewählte makroökonomische Determinanten der Anzahl der Selbständigen in fünfzehn Ländern Europas untersucht. Datenbasis sind die Arbeitskräfteerhebungen der Europäischen Union für die Jahre 1991 ? 2003. Ausgangspunkt der Studie ist der Rückgang der Anzahl der...

We explore the design of self-financing tax-subsidy schemes to solve hold-up problems in environmental regulation. The announcement of the tax rate seems to be preferable to solve hold-up problems with respect to the investment in environmental R&D. In contrast, only the announcement of the...

We consider the application of self-financing tax/subsidy mechanisms in environmental regulation and explore the question whether these mechanisms yield strong investment incentives in a market with many firms under Cournot competition. It turns out that the tax/subsidy mechanism with the...

In dem vorliegenden Artikel werden ausgewählte theoretische und empirische Aspekte des Zusammenhangs zwischen Existenzgründungen, staatlichem Handeln und Beschäftigung diskutiert. Dabei wird die Frage, ob Existenzgründungen zusätzliche Beschäftigung schaffen überwiegend aus einer...